Journal of Resources and Ecology ›› 2020, Vol. 11 ›› Issue (3): 322-328.DOI: 10.5814/j.issn.1674-764X.2020.03.010
• Ecosystem Responses to Climate Change • Previous Articles
ZHANG Guangyu1,2,3, WANG Jiangwei1,2,3, ZHANG Haorui1,2,3, FU Gang1,2, SHEN Zhenxi1,2,*()
Received:
2020-01-14
Accepted:
2020-02-18
Online:
2020-05-30
Published:
2020-06-16
Contact:
SHEN Zhenxi
Supported by:
ZHANG Guangyu, WANG Jiangwei, ZHANG Haorui, FU Gang, SHEN Zhenxi. Comparative Study of the Impact of Drought Stress on P.centrasiaticum at the Seedling Stage in Tibet[J]. Journal of Resources and Ecology, 2020, 11(3): 322-328.
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URL: http://www.jorae.cn/EN/10.5814/j.issn.1674-764X.2020.03.010
Source of seedlings | Geographical coordinates | Elevation (m) | Compact form |
---|---|---|---|
Linzhi | 93° 94′ N, 29° 79′ E | 3117 | LZS |
Linzhou | 91° 08′ N, 29° 88′ E | 3889 | LZX |
Xietongmen | 88° 21′ N, 29° 42′ E | 3891 | XTM |
Sog | 93° 79′ N, 31° 83′ E | 3940 | SX |
Longzi | 92° 32′ N, 28° 42′ E | 3948 | LZ |
Namling | 89° 08′ N, 29° 64′ E | 3949 | NML |
Purang | 81° 16′ N, 30° 34′ E | 4061 | PL |
Dingjie | 87° 77′ N, 28° 37′ E | 4163 | DJ |
Gyirong | 85° 32′ N, 28° 89′ E | 4198 | JL |
Sa’gya | 87° 90′ N, 29° 00′ E | 4233 | SJ |
Damxung | 91° 05′ N, 30° 51′ E | 4333 | DX |
Tingri | 87° 04′ N, 28° 47′ E | 4413 | DR |
Table 1 Locations where P.centrasiaticum seedlings were collected in 12 sites in Tibet
Source of seedlings | Geographical coordinates | Elevation (m) | Compact form |
---|---|---|---|
Linzhi | 93° 94′ N, 29° 79′ E | 3117 | LZS |
Linzhou | 91° 08′ N, 29° 88′ E | 3889 | LZX |
Xietongmen | 88° 21′ N, 29° 42′ E | 3891 | XTM |
Sog | 93° 79′ N, 31° 83′ E | 3940 | SX |
Longzi | 92° 32′ N, 28° 42′ E | 3948 | LZ |
Namling | 89° 08′ N, 29° 64′ E | 3949 | NML |
Purang | 81° 16′ N, 30° 34′ E | 4061 | PL |
Dingjie | 87° 77′ N, 28° 37′ E | 4163 | DJ |
Gyirong | 85° 32′ N, 28° 89′ E | 4198 | JL |
Sa’gya | 87° 90′ N, 29° 00′ E | 4233 | SJ |
Damxung | 91° 05′ N, 30° 51′ E | 4333 | DX |
Tingri | 87° 04′ N, 28° 47′ E | 4413 | DR |
Fig. 1 Comparison of MDA content in P.centrasiaticum seedlings from different sites Note: Different lowercase letters indicate significant differences for Differences of MDA among the sites (P < 0.05).
Fig. 2 Comparison of Pro content in P.centrasiaticum seedlings from different sites Note: Different lowercase letters indicate significant differences for Differences of Pro among the sites (P < 0.05).
Fig. 3 Comparison of Chlorophyll content in P.centrasiaticum seedlings from different sites Note: Different lowercase letters indicate significant differences for Differences of chlorophyll among the sites (P < 0.05).
Sites | MDA | Pro | Chlorophyll | Average membership function value | Ranking |
---|---|---|---|---|---|
Linzhi | 0.341 | 0.746 | 0.232 | 0.440 | 8 |
Linzhou | 0.460 | 0.768 | 0.515 | 0.581 | 2 |
Sog | 0.505 | 0.379 | 0.662 | 0.515 | 3 |
Xietongmen | 0.318 | 0.834 | 0.637 | 0.596 | 1 |
Longzi | 0.714 | 0.326 | 0.165 | 0.402 | 11 |
Namling | 0.737 | 0.398 | 0.207 | 0.448 | 6 |
Purang | 0.515 | 0.438 | 0.366 | 0.440 | 9 |
Dingjie | 0.647 | 0.390 | 0.263 | 0.433 | 10 |
Gyirong | 0.729 | 0.229 | 0.372 | 0.443 | 7 |
Sa’gya | 0.651 | 0.296 | 0.178 | 0.375 | 12 |
Damxung | 0.680 | 0.407 | 0.302 | 0.463 | 4 |
Tingri | 0.740 | 0.340 | 0.289 | 0.456 | 5 |
Table 2 Membership function values of drought resistance indexes and comprehensive drought resistance ranking of P.centrasiaticum from 12 sites
Sites | MDA | Pro | Chlorophyll | Average membership function value | Ranking |
---|---|---|---|---|---|
Linzhi | 0.341 | 0.746 | 0.232 | 0.440 | 8 |
Linzhou | 0.460 | 0.768 | 0.515 | 0.581 | 2 |
Sog | 0.505 | 0.379 | 0.662 | 0.515 | 3 |
Xietongmen | 0.318 | 0.834 | 0.637 | 0.596 | 1 |
Longzi | 0.714 | 0.326 | 0.165 | 0.402 | 11 |
Namling | 0.737 | 0.398 | 0.207 | 0.448 | 6 |
Purang | 0.515 | 0.438 | 0.366 | 0.440 | 9 |
Dingjie | 0.647 | 0.390 | 0.263 | 0.433 | 10 |
Gyirong | 0.729 | 0.229 | 0.372 | 0.443 | 7 |
Sa’gya | 0.651 | 0.296 | 0.178 | 0.375 | 12 |
Damxung | 0.680 | 0.407 | 0.302 | 0.463 | 4 |
Tingri | 0.740 | 0.340 | 0.289 | 0.456 | 5 |
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